Base for rotary arc ram



FIG. 1 is a perspective view of a base for a rotary arc ram showing our new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a top plan view;

FIG. 4 is a front elevational view; and

FIG. 5 is a rear elevational view thereof.

The broken line disclosure in FIGS. 1 and 2 is for illustrative purposes only; and FIGS. 2-5 have been shown on an enlarged scale with respect to FIG. 1. 

The ornamental design for a base for a rotary arc ram, as shown and described. 